# Add tags to domains

Add tags to domains in your portfolio. Creates new tags automatically if they don't exist. Supports bulk operations for up to 50 domains.

Endpoint: POST /mcp/v1/actions/ud_domain_tags_add
Version: 1.0.0
Security: bearerAuth

## Request fields (application/json):

  - `domains` (array, required)
    Array of domain names to add tags to (e.g., ["example.com", "mysite.io"])
    Example: ["example.com","mysite.io"]

  - `tags` (array, required)
    Array of tag names to add (e.g., ["Work", "Important"]). Max 20 characters each.
    Example: ["Work","Important"]

## Response 200 fields (application/json):

  - `results` (array)
    Results for each domain

  - `results.domain` (string)
    Domain name

  - `results.success` (boolean)
    Whether tags were applied successfully

  - `results.tagsApplied` (array)
    Tags that were applied to this domain

  - `results.error` (string)
    Error message if failed

  - `newTagsCreated` (array)
    Tags that were newly created (didn't exist before)

  - `successCount` (number)
    Number of domains with tags applied

  - `failureCount` (number)
    Number of domains that failed


## Response 401 fields